AP Top 25 Takeaways: A&M's upset sends season into full tilt
Iowa defensive back Jack Koerner (28) trips up Penn State quarterback Sean Clifford (14) on a run in the first half of an NCAA college football game, Saturday, Oct. 9, 2021, in Iowa City, Iowa. (AP Photo/Matthew Putney)

Iowa defensive back Jack Koerner (28) trips up Penn State quarterback Sean Clifford (14) on a run in the first half of an NCAA college football game, Saturday, Oct. 9, 2021, in Iowa City, Iowa. (AP Photo/Matthew Putney)

Oct. 09, 2021 06:17 PM EDT
Texas A&M quarterback Zach Calzada (10) is surrounded by fans after the team's win over Alabama in an NCAA college football game Saturday, Oct. 9, 2021, in College Station, Texas. (AP Photo/Sam Craft)

Texas A&M quarterback Zach Calzada (10) is surrounded by fans after the team's win over Alabama in an NCAA college football game Saturday, Oct. 9, 2021, in College Station, Texas. (AP Photo/Sam Craft)

Oct. 10, 2021 12:19 AM EDT
Oklahoma quarterback Caleb Williams (13) puts on the Golden Hat after coming off the bench to lead Oklahoma to a 54-48 win over Texas in an NCAA college football game at the Cotton Bowl, Saturday, Oct. 9, 2021, in Dallas. (AP Photo/Jeffrey McWhorter)

Oklahoma quarterback Caleb Williams (13) puts on the Golden Hat after coming off the bench to lead Oklahoma to a 54-48 win over Texas in an NCAA college football game at the Cotton Bowl, Saturday, Oct. 9, 2021, in Dallas. (AP Photo/Jeffrey McWhorter)

Oct. 09, 2021 04:23 PM EDT